Overview
The J.I. Case 15-27 is a standard-tread farm tractor manufactured in Racine, Wisconsin, from 1919 to 1924, with a total production of 17,628 units. It features a 6.3L 4-cylinder liquid-cooled kerosene engine paired with a two-speed gear transmission and manual steering. The machine is built on a 6,460-pound chassis with steel wheels and an open operator station.
Ideal Applications
Tested Belt Performance:
Nebraska Tractor Test 4 recorded a maximum belt output of 31.23 hp at 900 RPM using a 16-inch diameter pulley with a fuel consumption rate of 3.2 gallons per hour.
Drawbar and Plowing Capacity:
Listed as a 3-plow tractor, the 15-27 demonstrated a maximum pull of 3,440 lbs and a tested drawbar performance of 21.81 hp.
Mechanical and Fuel Configuration:
The tractor utilizes a 381.7 ci engine with a 4.50x6.00 inch bore and stroke, supported by a 20-gallon primary fuel tank and a 2.75-gallon auxiliary tank.
Production
| Description | Standard-tread tractor / Built in Racine, Wisconsin, USA |
|---|---|
| Manufacturer | J.I. Case |
| Total built | 17,628 |
Engine
| Aux. fuel | 2.75 gal (10.4 L) |
|---|---|
| Engine type | J.I. Case 6.3L 4-cyl kerosene |
| Fuel tank | 20 gal (75.7 L) |
| Bore/Stroke | 4.50x6.00 inches (114 x 152 mm) |
| Coolant capacity | 44 qts (41.6 L) |
| Description | J.I. Case / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 381.7 ci (6.3 L) |
| Rated RPM | 900 |
| Starter type | hand-crank |
| Belt (claimed) | 27 hp (20.1 kW) |
| Belt (tested) | 31.23 hp (23.3 kW) |
| Drawbar (claimed) | 15 hp (11.2 kW) |
| Drawbar (tested) | 21.81 hp (16.3 kW) |
| Plows | 3 |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Manufacturer | J.I. Case |
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. Optional canopy. |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual |
PTO
| Rear PTO | transmission (optional) |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Height | 68 inches (172 cm) |
|---|---|
| Length | 127 inches (322 cm) |
| Weight | 6,460 lbs (2930 kg) |
| Width | 72 inches (182 cm) |
| Front tire | 32x6 |
| Rear tire | 52x14 |
| Weight | 6,460 lbs (2930 kg) |
| Ag front | 32x6 steel |
| Ag rear | 52x14 steel |
Belt Pulley
| Diameter | 16 inches (40 cm) |
|---|---|
| RPM | 900 |
| Speed | 3,762 ft/min (1146.66 meters/min) |
| Width | 6.5 inches (16 cm) |
Nebraska Tractor Test 4
| Belt fuel use (max) | 3.2 gal/hour (12.1 l/hour) |
|---|---|
| Belt power (max) | 31.23 hp (23.3 kW) |
| Description | Kerosene 2-speed 2WDApril 2 - 30, 1920Link: Nebraska Tractor Test 4 file / Drawbar performance |
| Max power | 21.81 hp (16.3 kW) |
| Max pull | 3,440 lbs (1560 kg) |
References
| Description | Instructions on Operation and Care of the CASE 15-27 Tractor published in 1922 / Power Farming Machinery published in 1919, by J.I. Case |
|---|